1. Psychometric validation of the authorized Polish version of the Neck Disability Index. (29th April 2013) Authors: Guzy, Grażyna; Vernon, Howard; Polczyk, Romuald; Szpitalak, Malwina Journal: Disability and rehabilitation Issue: Volume 35:Number 25(2013:Dec.) Page Start: 2132 Record Type: Journal Article View Content: Available online (eLD content is only available in our Reading Rooms) ↗